System Requirements

IMM eReceipts 8

Server Requirements

The server specifications presented here are to be used as a general minimum requirement and may differ based on factors such as your financial institution’s size and volume of transactions. Please consult IMM Support for your specific requirements. Specifications are subject to change without notice.

System Types

Virtual via OVA download:

  • VMware ESXi
  • Microsoft HyperV 

System Resources

  • Servers are created as Virtual Servers at IMM and downloaded as a fully installed (yet to be configured) server.
  • Manual setup of these resources is not required.

Disk Space

Drives need to be in some type of redundant storage (RAID array, SAN, etc.) to prevent downtime.

  • C (OS drive): At least 70GB of free space (after installing the OS and all Windows Updates).
  • E (Application drive): 60GB if you will manage (and increase as needed) drive space. 160GB if you will allocate space one time.


  • Intel Quad Core Xeon 3.0 GHz
  • 8 Cores (or VCPUs for VMware) @ 2.6 GHz or better (minimum configuration)


  • 16GB Ram

Supported OS

  • Microsoft Windows Server 2019 Standard (Small Business Edition not supported) 


  • Gigabit Network Interface 
  • This server must be joined to same domain as the client workstations. 
  • This server must have access to a fully functional domain (Active Directory). 
  • MongoDB is required for on-premise installations. MongoDB is automatically installed and configured during eReceipts installation. 
  • eReceipts uses Active Directory Federation Services (ADFS) to authenticate users. To minimize administrative overhead, ADFS is automatically installed and configured during eReceipts installation. 

SQL Server Requirements (Physical or Virtual)


  • Microsoft SQL Server 2019 
  • SQL Server Express is recommended. 
  • For details, refer to Microsoft’s SQL Server requirements 

Workstation Requirements


  • Intel Dual Core 3.0GHz, 4GB RAM
  • 20GB+ free disk space
  • Video resolution 1280 x 960 minimum
  • Connectivity to server (IMM eReceipts Server)

Supported OS

  • Windows 10 (Recommended), Windows 8.1
  • Pro and Enterprise Windows versions are supported. 

Supported Web Browsers

  • Google Chrome


  • .NET Framework 4.7 or later 

Signing Requirements

Refer to the In-Person Signature Device Order Form to purchase the latest supported Topaz and Wacom hardware:


  • Topaz LCD Signature Pads
  • PC Touch-Capable Systems
    • Windows Touch-Enabled Devices: Windows 10 Pro Tablet (Recommended), Windows 8.1 Pro Tablet 
    • iPad1 
    • Wacom2 
    • Topaz GemView2
    • Verifast3 
  1. iPads must be configured and fully functional on the institution’s network before use.
  2. Recommended for the best consumer experience. Not supported on Thin Client Configurations. 
  3. Fiserv Verifast module and Verifast tablet are required.

Scanning Requirements

IMM eReceipts server and client components must be installed first in order to use a scanner. The following scanners are supported. 




Excella and Excella STX

Printer Connectivity

Receipt Printing

  • A supported Thermal Printer, USB or Ethernet (comes with internal Ethernet card if ordered accordingly)
  • Thermal paper is required. Please contact IMM.

Report Printing

  • HP Laser Printer connectivity to IMM eReceipts server 

Supported Printer Requirements


Printer Settings

IMM eReceipts Options Settings 

Epson TM-88VI

Printing Layout: User Defined
Height: 2100

Receipt Style: Narrow1

Epson TM-90

Printing Layout: User Defined
Height: 2100 

Receipt Style: Narrow1

Epson TM-H6000II

Printing Layout: User Defined
Height: 2100 

Receipt Style: Narrow1


No Changes

Receipt Style: Narrow1


No Changes

Receipt Style: Narrow1


No Changes

Receipt Style: Wide

  1. Narrow printing as landscape orientation does not support using a second logo. 

Supported Thin Client Configurations

Note: Only IP scanners are supported.

Citrix Virtual Apps

  • Server
    • Version 7 2009 and 7 2012
  • Client
    • eReceipts Client must be launched as an administrator in Citrix environments
    • Via RDP: Thick client or WYSE Terminal running Windows Embedded OS Terminal
    • Signatures supported with Citrix or Windows CDS (Citrix Device Service) only

VMware Horizon (VDI)

  • Server: VMware Horizon 7.12 and 8.1.0
  • Client: VMware Horizon on either thick client or a VMware Horizon device

Remote Desktop Services

  • Server: Windows Server 2019 (64-Bit) host configured for Terminal Services
  • Client: Thick client via RDP or any WYSE device running Windows Embedded OS Terminals

Revised on 07/19/2021

System Requirements

IMM eReceipts

  • Date

    September 7, 2020

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